28216239

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{2141}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 39481344

約数和(自身を除く): 11265105

約数列:

[1, 3, 23, 69, 191, 573, 2141, 4393, 6423, 13179, 49243, 147729, 408931, 1226793, 9405413, 28216239]

約数ペア:

[(1, 28216239), (3, 9405413), (23, 1226793), (69, 408931), (191, 147729), (573, 49243), (2141, 13179), (4393, 6423)]